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轨迹线公里标点生成逻辑调整

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This commit is contained in:
fan 2023-06-29 11:18:01 +08:00
parent 180712d9c4
commit 331eaf042b
1 changed files with 31 additions and 10 deletions
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41
src/graphics/pathLine/PathLine.ts
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@ -90,31 +90,52 @@ export class PathLine extends JlGraphic {
}
});
}
/**
* 计算stationLine在轨迹线上的垂足距离，计算stationLine与轨迹点距离，寻求最短且垂足在线段上
* @param stas stationLine列表
*/
generatePathLineKilometerPoints(stas: string[]) {
const kilometerPoints: KilometerPoint[] = [];
stas.forEach((stasId) => {
const sta = this.queryStore.queryById(stasId) as StationLine;
let fp: Point | null = null;
let verticalLength = 100;
let fp: IPointData | null = null;
const sp = sta.position;
let minDistance = Number.MAX_SAFE_INTEGER;
this.datas.points.forEach((p, index) => {
if (index) {
const prep = this.datas.points[index - 1];
const fpn = calculateFootPointFromPointToLine(prep, p, sta.position);
const length = distance(prep.x, prep.y, p.x, p.y);
const fln = distance(fpn.x, fpn.y, sta.position.x, sta.position.y);
const fpn = calculateFootPointFromPointToLine(prep, p, sp);
const distanceS = distance(prep.x, prep.y, p.x, p.y);
const fln = distance(fpn.x, fpn.y, sp.x, sp.y);
const distanceP = distance(p.x, p.y, sp.x, sp.y);
if (
distance(fpn.x, fpn.y, prep.x, prep.y) <= length &&
distance(fpn.x, fpn.y, p.x, p.y) <= length &&
fln <= verticalLength
distance(fpn.x, fpn.y, prep.x, prep.y) <= distanceS &&
distance(fpn.x, fpn.y, p.x, p.y) <= distanceS &&
fln <= minDistance
) {
verticalLength = fln;
minDistance = fln;
fp = fpn;
}
if (distanceP < minDistance) {
if (distanceP < minDistance) {
minDistance = distanceP;
fp = p;
}
}
} else {
const distanceP = distance(p.x, p.y, sp.x, sp.y);
if (distanceP < minDistance) {
minDistance = distanceP;
fp = p;
}
}
});
if (sta.datas.code === '延平门') {
console.log(fp);
}
if (fp) {
kilometerPoints.push({
point: fp,
point: new Point(fp?.['x'], fp?.['y']),
kilometer: 0,
stName: sta.datas.code,
});